GB/T 23133-2008 Evaporator of household refrigerating appliance

GB/T 39557-2020 Heat exchanger of household refrigerating appliance

GB/T 6987.10-2001 Aluminium and aluminium alloys—Determination of tin content—Phenyl fluorone spectrophotometric method GB/T 6987.11-2001 Aluminium and aluminium alloys—Determination of lead content—Flame atomic absorption spectrometric method GB/T 6987.12-2001 Aluminium and aluminium alloys—Determination of titanium content—Diantipyrylmethane spectrophotometric method GB/T 6987.13-2001 Aluminium and aluminium alloys—Determination of vanadium content—N-benzoyl-Nphenylhydroxylamine spectrophotometric method GB/T 6987.14-2001 Aluminium and aluminium alloys—Determination of nickel content—Dimethylglyoxime spectrophotometric method GB/T 6987.15-2001 Aluminium and aluminium alloys—Determination of nikel content—Flame atomic absorption spectrometric method GB/T 6987.16-2001 Aluminium and aluminium alloys—Determination of magnesium content—CDTA titrimetric method GB/T 6987.17-2001 Aluminium and aluminium alloys—Determination of magnesium content—Flame atomic absorption spectrometric method GB/T 6987.18-2001 Aluminium and aluminium alloys—Determination of chromium content—Flame atomic absorption spectrometric method GB/T 6987.19-2001 Aluminium and aluminium alloys—Determination of zirconium content—Xylenol orange spectro photometric method GB/T 6987.20-2001 Aluminium and aluminium alloys—Determination of gallium content—Butyrhodamine B spectrophotometric method GB/T 6987.21-2001 Aluminum and aluminum alloys—Determination of calcium content—Flame atomic absorption spectrometric method GB/T 6987.22-2001 Aluminium and aluminium alloys—Determination of beryllium content—SCR spectrophotometric method GB/T 6987.23-2001 Aluminium and aluminium alloys—Determination of antimony content—Potassium iodide spectrophotometric method GB/T 6987.24-2001 Aluminium and aluminium alloys—Determination of the cerium subgroup of rare earth elements content—Tribromoarsenazo spectrophotometric method GB/T 6987.25-2001 Aluminum and aluminum alloys—Determination of cadmium content—Flame atomic absorption spectrometric method GB/T 6987.26-2001 Aluminium and aluminium alloys—Determination of lithium content—Flame atomic absorption spectrometric method GB/T 6987.27-2001 Aluminium and aluminium alloys—Determination of boron content—Ion selective electrode method GB/T 6987.28-2001 Aluminium and aluminium alloys—Determination of strontium content—Flame atomic absorption spectrometric method GB/T 6987.29-2001 Aluminium and aluminium alloys—Determination of copper content—2,9-Dimethyl-1,10-phenanthroline spectrophotometric method GB/T 6987.30-2001 Aluminium and aluminium alloys—Determination of chromium content—Diphenyicarbazide spectrophotometry method after extraction GB/T 6987.31-2001 Aluminium and aluminium alloys—Determination of titanium content—Hydrogen peroxide spectrophotometric method GB/T 6987.32-2001 Aluminium and aluminium alloys—Determination of total rare earth contents—Rare earth oxalate gravimetric method GB/T 9286-1998 Paints and varnishes—Cross cut test for films GB/T 9286-2021 Paints and varnishes—Cross-cut test GB/T 13452.2-1992 Paints and varnishes—Determination of film thickness GB/T 13452.2-2008 Paints and varnishes—Determination of film thickness GB/T 13793-2008 Steel pipes with a longitudinal electric (resistance) weld HG/T 2006-2022 Hot-melt and thermoplastic powder coatings HG/T 2006-2006 Hot-fix powder coating HG/T 2006-1991 Fridge using powder coating